51单片机的SD卡读写程序，测试过，用过的产品

P T 2 2 5 8 详 细 英 文 资 料-PT 2 2 5 8 detailed information in English

1602LCM液晶显示屏的驱动函数和实例-1602LCM LCD driver functions and examples

rs485单线程数据通讯程序，KEY键触发能使单片机之间能够通讯-rs485 data communications single-threaded process, KEY key trigger enable communication between the single-chip

基于IAR embedde workbench的MSP430原理的心电检测源码。实现手持心电检测-IAR embedde workbench based on the principle of the MSP430 ECG detection source. Realize handheld ECG detection

51单片机控制的红外遥控的接收部分的程序，可实现解调、解码和现实的功能，很实用！-51 MCU controlled by infrared remote control receiver part of the process, can be realized demodulation, decoding and realistic features, very practical!

SD卡读写程序 1. sdconfig.h: 该文件为SD卡读写模块配置头文件，用户可根据实际硬件条件进行修改. 2. SD目录: SD卡读写模块的全部文件,一般不用修改. 3. 建议sdconfig.h文件不要放于SD目录中，因为SD目录中的文件一般无须修改, 而sdconfig.h通常会有改动.-1. Sdconfig.h: The document for the SD card reader module configuration header files, the user hardware according to actual conditions can be modified. 2. SD directory: SD card reader module of all the documents, the general need not be amended. 3. Proposed sdconfig. h files directory should not be put in SD because SD files in the directory are not normally required to be amended and the changes are usually sdconfig.h.

采用ATMEGA8的芯片,功能为智能家居的门禁控制,单相交流电机的控制系统,性能稳定.-ATMEGA8 using the chip, the functions of the Intelligent home access control, single-phase AC motor control system, stable performance.

EM78P447中文手册，EM78P447是很常用的义隆单片机。-EM78P447 Chinese Manual, EM78P447 Elan is very commonly used in single-chip microcomputer.

Loops back EP2OUT to EP6IN and EP4OUT to EP8IN.

nios环境下数码管驱动芯片max7219驱动程序，封装了八位数码管同时显示任意数值和单个数码管显示数值程序-Nios environment MAX7219 LED Driver IC driver, package of 8 At the same time, digital tube display and a single arbitrary numerical digital display numerical procedures